NIKOLAEVSK COMMUNITY WATER SYSTEM
PWS ID: AK2241648 · NIKOLAEVSK, Alaska 99566
Population Served
360
Total Violations
341
Health-Based Violations
24
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 72
- County
- Kenai Peninsula Borough
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 226
- Treatment Tech Violations
- 22
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 36 | 2015 |
| Surface Water Treatment Rule | TT | 20 | 2016 |
| Surface Water Treatment Rule | MR | 17 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | MR | 16 | 2025 |
| Mercury | MR | 9 | 2002 |
| Nitrate | MR | 8 | 2024 |
| Cadmium | MR | 6 | 1993 |
| Arsenic | MR | 6 | 1993 |
| Barium | MR | 6 | 1993 |
| Chromium | MR | 6 | 1993 |
| Selenium | MR | 6 | 1993 |
| 1,1,1-Trichloroethane | MR | 5 | 2024 |
| Carbon tetrachloride | MR | 5 | 2024 |
| Trichloroethylene | MR | 5 | 2024 |
| 1,2-Dichloroethane | MR | 5 | 2024 |
| p-Dichlorobenzene | MR | 5 | 2024 |
| 1,1-Dichloroethylene | MR | 5 | 2024 |
| Benzene | MR | 5 | 2024 |
| CHLOROBENZENE | MR | 4 | 2024 |
| Toluene | MR | 4 | 2024 |
| Styrene | MR | 4 | 2024 |
| cis-1,2-Dichloroethylene | MR | 4 | 2024 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2024 |
| Xylenes, Total | MR | 4 | 2024 |
| DICHLOROMETHANE | MR | 4 | 2024 |
| Vinyl chloride | MR | 4 | 2024 |
| trans-1,2-Dichloroethylene | MR | 4 | 2024 |
| Ethylbenzene | MR | 4 | 2024 |
| 1,2-Dichloropropane | MR | 4 | 2024 |
| Tetrachloroethylene | MR | 4 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.